GNU bug report logs - #72863
30.0.50; tree-sitter elixir-ts-mode hangs and memory leak on some elixir and heex code

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From: Wilhelm Kirschbaum <wkirschbaum <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Yuan Fu <casouri <at> gmail.com>, 72863 <at> debbugs.gnu.org, mail <at> ssbb.me
Subject: bug#72863: 30.0.50; tree-sitter elixir-ts-mode hangs and memory leak on some elixir and heex code
Date: Thu, 29 Aug 2024 08:13:11 +0200

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>
>  > From: mail <at> ssbb.me
> > Date: Thu, 29 Aug 2024 06:57:38 +0400
> >
> > Code in attached file cause Emacs to hang and memory leak infinitely
> > while editing. Try to open this code in elixir-ts-mode and move cursor
> > on line 6 (between <:loading>  </:loading>) and type char by char:
> >
> > <.some_component a={
> >
> > (for some reason it does not happen with electric-pair-mode when {}
> > inserted automatically).
> >
> > I am able to reproduce this with -Q on few different machines (Linux and
> > MacOS) and Emacs 29, 30.0.5 and current HEAD.
> >
> > C-g does nothing (including with debug-on-quit and sending SIGUSR2)
> >
> > At the same time I can't reproduce this in other tree-sitter based
> editors.
> >
> > I got this sample code sample from elixir-ts-mode repo but now it's moved
> > to the Emacs core so seems to be out of scope of Github repo issues.
> >
> > Attaching samle code and LLDB backtrace.
> > Also attaching report from built-in MacOS crash reporting tool just in
> case.
>
> Thanks.
>
> Wilhelm and Yuan, could you please look into this soon?
>

Thanks, I will have a look later today.

Wilhelm

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